private void ConvertToPdfa(Job job)
{
if (job.Profile.OutputFormat.IsPdfA())
{
var sourcePdf = job.IntermediatePdfFile;
if (string.IsNullOrEmpty(sourcePdf))
{
return;
}
var targetPdf = AddTailToFile(sourcePdf, "_pdfa");
var version = DeterminePdfVersionAsEnum(job.Profile);
var writerProperties = new WriterProperties();
writerProperties.SetPdfVersion(version);
byte[] resource;
//Set ICC Profile according to the color model
switch (job.Profile.PdfSettings.ColorModel)
{
case ColorModel.Cmyk:
resource = GhostscriptResources.WebCoatedFOGRA28;
break;
case ColorModel.Gray:
resource = GhostscriptResources.ISOcoated_v2_grey1c_bas;
break;
default:
resource = GhostscriptResources.eciRGB_v2;
break;
}
try
{
using (var icc = new MemoryStream(resource))
{
var document = new PdfADocument(new PdfWriter(targetPdf, writerProperties), GetConformLevel(job.Profile.OutputFormat), new PdfOutputIntent("Custom", "", "http://www.color.org", "sRGB IEC61966-2.1", icc));
document.SetTagged();
var toCopyDoc = new PdfDocument(new PdfReader(sourcePdf));
toCopyDoc.CopyPagesTo(1, toCopyDoc.GetNumberOfPages(), document);
var metaData = XMPMetaFactory.ParseFromBuffer(toCopyDoc.GetXmpMetadata());
document.SetXmpMetadata(metaData);
toCopyDoc.Close();
document.Close();
File.Delete(sourcePdf);
job.IntermediatePdfFile = targetPdf;
}
}
catch (PdfAConformanceException ex)
{
throw new ProcessingException("One of the used pdfs does not conform to the PDF-A specification", ErrorCode.Processing_ConformanceMismatch, ex);
}
}
}